Importance

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Abstract

Radio Frequency Front End (RFFE) command code extensions with uniform start sequence condition (SSC) are disclosed. In one aspect, the RFFE protocol reserves one of the remaining reserved command codes as a command code extension command. In a first aspect, use of the command code extension command allows insertion of another command field after an existing command code and before a payload. The command code extension command may include the ability to nest plural command code extension commands providing multiple layers of commands so as to provide necessary and sufficient unused codes for future needs. In a second aspect, the command code extension command may allow a designation of a particular subset of commands to be associated with the command codes in the new command code field. In this aspect, command codes are reused with potentially different meanings based on which subset of commands was indicated.

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First Claim